20189780816

素因数分解:

$2^4\times {\mathrm{10949}}^1\times {\mathrm{115249}}^1$

素因数の和:126206

約数の個数: 20

約数和(自身を含む): 39121612500

約数和(自身を除く): 18931831684

約数列:

[1, 2, 4, 8, 16, 10949, 21898, 43796, 87592, 115249, 175184, 230498, 460996, 921992, 1843984, 1261861301, 2523722602, 5047445204, 10094890408, 20189780816]

約数ペア:

[(1, 20189780816), (2, 10094890408), (4, 5047445204), (8, 2523722602), (16, 1261861301), (10949, 1843984), (21898, 921992), (43796, 460996), (87592, 230498), (115249, 175184)]